MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it links to malicious redirector infrastructure, specifically `https://ttraff.cc/pify?keyword=equivalent+fractions+worksheets+5th+grade+pdf`. This redirector is likely used to host or deliver a malicious payload, disguised as educational worksheets. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.cc/pify?keyword=equivalent+fractions+worksheets+5th+grade+pdf In PDF document text
- http://files.allaboutyoufitnessbyjamie-dee.com/uploads/1/3/0/8/130814644/loxunirawowuj-forusizo.pdfIn PDF document text
- http://files.bebeautybylisa.nl/uploads/1/3/0/7/130739143/gidebukelujopenogo.pdfIn PDF document text
- http://rutiru.drtmobilevetcare.com/uploads/1/3/0/9/130969953/vesiwajefif.pdfIn PDF document text
- http://zemuzovug.chest-messages.com/uploads/1/3/2/6/132680813/zajapexepelagumadoj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0436/9471/9131/files/wimajeku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2906/8949/files/murivunufutodazodubepibo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0667/3575/files/breasted_history_of_egypt.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9558/9013/files/63005525456.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0385/3476/files/25148936456.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9217/3217/files/medical_english_esl.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5901/9933/files/bakuvelazibo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1467/4841/files/79095010601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84312174386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0426/4602/files/91671274774.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2160/6820/files/24823191784.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9728/3992/files/basic_c_programs_for_practice.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8368/5274/files/91048532721.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008d15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D15 | 5724 bytes |
SHA-256: c64112ceebaa70ae90a008679268ae5fb058f6990b732f2256fa2e595f73306b |
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font_01_sfnt_off0000a09f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA09F | 9712 bytes |
SHA-256: 744c36ecdee2253eb25184e493f302501458394c5218aa50a9d180020972ede3 |
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font_02_sfnt_off0000c21f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC21F | 16116 bytes |
SHA-256: edc33fe94617b35fa5734827a91efdc9665031ac3a5a8b8018a6396f4204b3d2 |
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font_03_sfnt_off0000d6f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6F7 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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