MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was identified as malicious due to its inclusion of a link farm containing numerous external PDF links, a common tactic for SEO poisoning and distributing malicious content. The primary redirector URL, https://ttraff.com/pify?keyword=irregular+past+tense+verbs+worksheets+2nd+grade, is flagged as malicious. While the document body contains text related to 'irregular past tense verbs worksheets 2nd grade', this appears to be a lure to disguise the malicious intent of the embedded links.
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=irregular+past+tense+verbs+worksheets+2nd+grade In PDF document text
- http://zuzewekuk.handsonhexham.co.uk/uploads/1/3/1/3/131398455/vilal.pdfIn PDF document text
- http://vizupivo.fishermanswifelife.com/uploads/1/3/1/6/131637881/1b3850ced1f20.pdfIn PDF document text
- http://xunewun.yorkiefriendsandmore.net/uploads/1/3/2/6/132695615/fb08ce53c2ce.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/1/0428/2440/1063/files/introduction_to_calculus_lecture_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4815/7859/files/84294094212.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8922/2045/files/ganashakti_bengali_newspaper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5409/4753/files/gefasuzoligepumow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2745/5387/files/mafibifenox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8006/4936/files/51356902411.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5809/4495/files/networking_interview_question.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7181/6358/files/tufidive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5045/1623/files/tofisowasizudewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9539/9325/files/budir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0910/6335/files/35602921461.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8786/9592/files/62205501060.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6626/7550/files/wamabofesoge.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005503.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5503 | 5644 bytes |
SHA-256: 61e9c6551dfad4072b11d9002ddf25c53c98e4a88f5d86e4a9426b107fb23681 |
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font_01_sfnt_off00006839.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6839 | 10240 bytes |
SHA-256: fa4ed816fabd9894bf363a9831b23f95095eca9e4d2182d0fceda7f2240d971b |
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