MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=complex+numbers+mcqs+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one hosted on cdn.shopify.com. The document body, though heavily obfuscated, also contains the malicious URL and a benign-looking PDF title, suggesting a lure to trick users into clicking the malicious link.
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=complex+numbers+mcqs+pdf In PDF document text
- http://files.educatorkellyhastings.com/uploads/1/3/1/4/131453387/8772.pdfIn PDF document text
- http://files.lbwalker.com/uploads/1/3/1/3/131384663/vidovijemoni.pdfIn PDF document text
- http://zanom.vohrart.com/uploads/1/3/0/7/130740596/rorakijab.pdfIn PDF document text
- http://files.americanfoursquare.us/uploads/1/3/2/7/132740218/majibomavapakabopi.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/1/0435/1839/4523/files/condominium_act_of_the_philippines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9675/0742/files/tuxazefigunorapolepukejoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5040/1945/files/nawufidoti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4459/2021/files/65514547274.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3613/7882/files/bticino_magic.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2301/5841/files/photosynthesis_and_cellular_respiration_crossword.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0560/7070/files/63688804030.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8541/1990/files/1918537676.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6535/2093/files/kuxoxarimigabozisasud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2440/6933/files/chemistry_lab_apparatus_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9159/1321/files/15440662775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7093/0600/files/feritotofudoxorexoj.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_off00006b7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B7B | 5332 bytes |
SHA-256: 9489ceb24434387acb80e92f862c3ee056522d57db6d20ffd20c22eab121e8e5 |
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font_01_sfnt_off00007d7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D7E | 11116 bytes |
SHA-256: 844511e743f308a44d21324f3cc86f662654fbf0eee56321d94aa1ce05ccd169 |
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font_02_sfnt_off0000a3ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3EA | 16148 bytes |
SHA-256: 6bd36af83f9cecc02bf75f81bc30fb8c57b3c83693cec0e6e4b4820d6550c9bd |
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