MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple heuristics indicating malicious intent, including a link to a known malicious redirector and a link farm of PDF files hosted on Shopify. The presence of a visual download button further supports a deceptive lure. The primary malicious URL identified is ttraff.com, which redirects to a page related to 'uc browser apkmirror'. The document body is heavily obfuscated and does not provide further context.
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.com/pify?keyword=uc+browser+apkmirror In PDF document text
- http://files.bonneygirlphotography.com/uploads/1/3/2/6/132681204/sapoxorufewodod.pdfIn PDF document text
- http://files.allhottub.com/uploads/1/3/1/4/131409463/469ee07922c.pdfIn PDF document text
- http://files.qualitycollectibletreasures.com/uploads/1/3/1/4/131406649/2084638e99d06.pdfIn 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/1/0429/7441/2949/files/nogixiwosataru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9964/3286/files/tigufos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5583/2469/files/10701817522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8800/2710/files/29174025192.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3963/8179/files/15162147697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5544/8213/files/tazojuxotuligoxobare.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1269/1867/files/xavisolowadojovom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3373/9932/files/17356438179.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9320/5916/files/gezodifoposodegefot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0147/9321/files/saruledelosusofimaxetikaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6862/8887/files/96822410594.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4463/3750/files/mizadetil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6091/2537/files/78293355740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5843/8056/files/jikixobekozazuwonagov.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000078a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78A5 | 4936 bytes |
SHA-256: a74d93c847d960661f598fc460853e175a44a14be44eed9e96fa4a7b56dca060 |
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font_01_sfnt_off00008975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8975 | 10260 bytes |
SHA-256: 7674dd3a5b9540fc883e36e502f1806f2661afdc5b437ba2dddd660ba94411c0 |
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font_02_sfnt_off0000acab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACAB | 16204 bytes |
SHA-256: 7fd64535976a653b4736ad1585a75217cf0a564ac44b6981ec5f997e3b90ecea |
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