MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, found in the document body, redirects to malicious infrastructure via ttraff.ru. The presence of a download button lure further supports the malicious intent. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=chalkduster+font+free++windows In PDF document text
- http://files.banditaerialproductions.net/uploads/1/3/2/3/132302892/xosesefu_naxotoweguvone_guxakedofi_wuvipilit.pdfIn PDF document text
- http://kixuza.gcsecs.com/uploads/1/3/0/9/130969465/kitosob-bedevutolav-poxirekatogu-gadejiv.pdfIn PDF document text
- http://mewis.t9corp.com/uploads/1/3/0/7/130775565/0c459.pdfIn PDF document text
- http://files.drrebeccaaptekersandtonpsychology.com/uploads/1/3/0/7/130740625/c543f0c.pdfIn PDF document text
- http://files.tracystreks.com/uploads/1/3/1/4/131411197/6909191.pdfIn PDF document text
- http://www.typoland.com/http://www.typoland.com/designers/Lukasz_Dziedzic/CopyrightIn PDF document text
- http://www.typoland.com/In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1610/8701/files/50072635109.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1903/5033/files/90157998400.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52665001447.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0835/2679/files/wabunoji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7124/2389/files/toxijov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3237/1622/files/28248769019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7301/1863/files/lysol_disinfectant_spray_msds_sheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5481/7690/files/valonupedeke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3798/2869/files/baxisiba.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006587.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6587 | 2832 bytes |
SHA-256: 22de88b1c0d07a59b2821642dc200d6d9e211d35bdad5c9ce05d79a6c8fdb677 |
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font_01_sfnt_off00006f6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F6B | 6168 bytes |
SHA-256: 50bd8db5ff9a0f03ea6ac0366ab4ff273dceb6ff0c6101ac0faff1fd52ccc92d |
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font_02_sfnt_off00007f0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F0D | 5056 bytes |
SHA-256: b53a9605971694cfa7e2b658b568c5667cd4c673697aaee748038f997bb96663 |
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font_03_sfnt_off00009043.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9043 | 43616 bytes |
SHA-256: 8f044b01b46f311dd541962841be3a3c0330694ee1d90e81f0aa2d53b117f577 |
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font_04_sfnt_off0000e80c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE80C | 16084 bytes |
SHA-256: fb27248ec02d804caa0ce6a8dd06a8f0f211157336bc50f6c382585ff5fe3da3 |
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