MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One critical heuristic firing indicates a direct link to a known malicious redirector at 'https://ttraff.com/pify?keyword=english+speaking+topics+with+answers+pdf'. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted from this sample.
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.com/pify?keyword=english+speaking+topics+with+answers+pdf In PDF document text
- http://files.roots-and-wings-academy.com/uploads/1/3/0/7/130740211/wiwibaj.pdfIn PDF document text
- http://files.tatendadalu.com/uploads/1/3/1/8/131856917/vozisobarudoratav.pdfIn PDF document text
- http://files.bakersarmory.com/uploads/1/3/1/6/131636969/e2d4afdc816a.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/1/0429/8774/9525/files/7448400737.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2962/6017/files/75167321193.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8032/7076/files/13627996573.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7699/3702/files/97091360096.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6498/3703/files/85213379126.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1785/4373/files/14994804379.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1570/7551/files/dejavoo_z11_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3439/5295/files/wofufexafile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1257/9747/files/ratusonixokebesiliniris.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/mewitemiwiravotaxanomo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5874/8837/files/povopuzoxupubije.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0102/7493/files/graph_in_latex.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007d6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D6A | 5320 bytes |
SHA-256: 6b392a9f2d14a2e2afedba9d75cbe35b4eb8507e279addc1a9e17912c68ac4c0 |
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font_01_sfnt_off00008f82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F82 | 10720 bytes |
SHA-256: 51c140c5f068bd748f1ba205f8a782b96e24864e2929e097fe92b3372ab3b365 |
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font_02_sfnt_off0000b3f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3F9 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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