MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains text related to '2017 tamil movies download' and a URL that aligns with the malicious redirector heuristic. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to attract traffic, with at least one link pointing to a known malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.ru/pify?keyword=2017+tamil+movies+download In PDF document text
- http://files.sharingeducationlearningforlife.org/uploads/1/3/0/9/130969904/13301b070.pdfIn PDF document text
- http://files.klrider.com/uploads/1/3/2/6/132682882/c1321121.pdfIn PDF document text
- http://files.kenoshaforgottenfriends.org/uploads/1/3/2/3/132302810/durixinupidigobudud.pdfIn PDF document text
- http://files.downtoascience.co/uploads/1/3/0/8/130814680/papaxifudimeso.pdfIn PDF document text
- http://files.abetterdayhomecareservicesinc.com/uploads/1/3/1/8/131858661/8552387.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/1/0435/4198/7479/files/43247805684.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2412/0984/files/22064230276.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8475/9711/files/77081789106.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6263/2360/files/48689772258.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5743/1199/files/87491138740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63912397784.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4561/5766/files/24933999771.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2380/9187/files/73161916866.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8624/1187/files/vamafowipuwejosalolimevik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4151/1834/files/zafado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0316/6369/files/sinotoxedewijidejife.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_off0000433b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x433B | 5340 bytes |
SHA-256: 3d835610b0660c28bc16bd59f320b13b4d7039f33b0716a8e0bfbd9d425d52e7 |
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font_01_sfnt_off0000556d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x556D | 8840 bytes |
SHA-256: 62994301f32f36374fd012fd2893344884acf28cd7cf8cb4ca59e48b44e1740c |
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