MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The document body, though heavily obfuscated, contains text related to 'adverbs in english exercises pdf' and includes the malicious redirector URL, suggesting a lure for users seeking educational materials. The presence of many links to external PDFs, some hosted on Shopify, indicates a link farm strategy to distribute malicious content.
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=adverbs+in+english+exercises+pdf In PDF document text
- http://seriwe.huffmansflowersofthefield.com/uploads/1/3/0/7/130739892/jopegutoro.pdfIn PDF document text
- http://xiwol.moonphasegoddessshop.com/uploads/1/3/1/4/131407241/dosiwemusojavolu.pdfIn PDF document text
- http://files.williammonaguenativeart.com/uploads/1/3/1/6/131637919/vapurisadeneju_votatujitonufi.pdfIn PDF document text
- http://files.carolineheffernanactor.com/uploads/1/3/2/7/132740253/4c349f0c5aa83.pdfIn PDF document text
- http://files.dianneodell.com/uploads/1/3/1/4/131407233/totomukemojuv-lofagixe.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/detupokijuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7176/6690/files/xasiru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5335/7985/files/85176004647.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2508/9191/files/wevajo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8589/7627/files/jikis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/4364/6614/files/oxford_discover_1_grammar_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6231/3631/files/pixemusewovadewerabagi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3506/5505/files/dreamweaver_8_php_mysql_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2047/3752/files/zifuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1952/5531/files/calpeda_ctm_61.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3239/6447/files/32574053957.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6803/8049/files/angularjs_5_tutorial_franais.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1760/1181/files/rijujodidubaxok.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_off00005731.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5731 | 5464 bytes |
SHA-256: ac96d2d5d0d1512a11adf05dfd009ce22610e468199aaeaaf9678a9ce95007ac |
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font_01_sfnt_off000069c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69C0 | 9972 bytes |
SHA-256: 661cbdcc4b1ebfd045862a18aa015a69e7b294510c3c49e720f4e2c9f4b076e6 |
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