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, specifically pointing to 'https://ttraff.com/pify?keyword=tamil+typing+guide+pdf'. This indicates the document is designed to lure users into clicking a link that leads to malicious infrastructure. The presence of a large number of external PDF links, many hosted on shopify.com, suggests a link farm or SEO poisoning tactic to distribute the malicious content. No scripts were extracted, but the primary attack vector is the embedded malicious URL.
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=tamil+typing+guide+pdf In PDF document text
- http://dixiz.duniaamir.com/uploads/1/3/1/4/131438019/kavibilazefi.pdfIn PDF document text
- http://files.balanceandneurologic.com/uploads/1/3/1/4/131437680/9396602.pdfIn PDF document text
- http://fedorahosted.org/lohitIn 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/1/0438/0209/9873/files/74446996053.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9915/1768/files/jenusaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5567/6568/files/12036446461.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8981/1861/files/bhagam_bhag_song_video.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2469/4942/files/zafigoxujugeke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3798/2869/files/zutebapuxebome.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9749/6488/files/cambridge_primary_english_stage_5_teacher_s_resource.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9236/9823/files/ts_file_to_mp4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pujofupokutesigitugut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9732/5732/files/atrocity_act_in_gujarati.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7432/1560/files/rujiwebujadekegikivube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1678/8900/files/vexiraxijopis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6275/4461/files/33713828147.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4317/6091/files/tekonale.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7026/7300/files/41792980821.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 |
|---|---|---|---|
stream_005_off000085d6.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x85D6 | 27452 bytes |
SHA-256: c0a4e957aeb520b6c324bde5860311fae4a130da143b84182a4cd4d420461b99 |
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font_00_sfnt_off00007462.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7462 | 5140 bytes |
SHA-256: 2799d6b2d911720f7e9f146d18ac35f686f9719ffe0b5698234433b4ecd3fc74 |
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font_02_sfnt_off0000bab7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAB7 | 10600 bytes |
SHA-256: 7a0b25c3bbf5a9a33f47878591eea49577d20af53ed021daba4b59799d955c95 |
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