MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=learn+arabic+online+free+pdf'. The document body, though heavily obfuscated, also contains this URL, reinforcing its role as a lure. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious content. 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.com/pify?keyword=learn+arabic+online+free+pdf In PDF document text
- http://files.myglenoak.com/uploads/1/3/0/8/130813526/jevanaroje.pdfIn PDF document text
- http://files.keithdeininger.com/uploads/1/3/1/4/131438079/5893962.pdfIn PDF document text
- http://files.fundle.us/uploads/1/3/0/7/130776749/xupaxafadaro_xeralekipe_lojumug.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/1/0431/3546/7669/files/27682041971.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2790/7239/files/matip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8597/1110/files/39331824183.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7079/1573/files/zalofopojazetapimawaze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4244/8295/files/funuxojomotimunelop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9683/4212/files/another_bites_the_dust_piano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8841/2836/files/42055313794.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0009/4112/files/borg_scale_6_20.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9363/8822/files/carboxiterapia_flacidez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8996/1884/files/77780630836.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8771/4721/files/30057505690.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3526/3138/files/45023259081.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9354/1535/files/the_babysitters_club_book_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2323/5234/files/jesosesali.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_005_off0000a5af.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA5AF | 21628 bytes |
SHA-256: a32b20d2f423f55d00ab9ba744e85d34d08f2b899d1e71374e49310cc1a4d6da |
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font_00_sfnt_off0000716f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x716F | 5052 bytes |
SHA-256: cb8c562633d5145f3a097a831b29af965b1ebf07c412d02174a05c33e8272552 |
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font_01_sfnt_off000082a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82A5 | 10192 bytes |
SHA-256: 2916a482f266018c1c8423ddbf5cdddf04fd4b16d8295a8d764db0b75e4e67d0 |
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