MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, with one critical heuristic firing indicating a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.com/pify?keyword=american+short+stories+anthology+pdf, which is likely used to redirect the user to a malicious site. The presence of numerous other PDF links suggests a link farm or SEO poisoning tactic 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=american+short+stories+anthology+pdf In PDF document text
- http://vileg.ethiopianvillageschools.com/uploads/1/3/0/8/130814058/gesawusilozulipa.pdfIn PDF document text
- http://files.supervisedvisitations.net/uploads/1/3/1/1/131164488/a560642.pdfIn PDF document text
- http://files.henrikbechseeberg.com/uploads/1/3/0/7/130739253/muxulizubigiw.pdfIn PDF document text
- http://files.hopeforhispaniola.org/uploads/1/3/1/4/131455232/c5cc2.pdfIn PDF document text
- http://files.thetalkativeteacher.com/uploads/1/3/0/7/130738794/8804436.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/1/0433/0687/7080/files/jewepogepavab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7808/9878/files/99561288272.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5820/7643/files/twitch_sub_icon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mijafovaginidobu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0134/8255/files/zakowazuvuvum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8613/5961/files/how_to_get_your_ex_back_fast.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6227/8809/files/test_gramatyczny_angielski_b1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2381/9175/files/98690525696.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8725/0087/files/tajonuwidinufavogajujowik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5689/7947/files/40049694477.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8734/0454/files/associated_press_sports_writing_handbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4695/1319/files/customer_based_brand_equity_model.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8660/9573/files/74596632096.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_off00007df3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DF3 | 5660 bytes |
SHA-256: 20d60b73caf4e9e5f6141eaaa2f17aac4b96c66f56504f56d95ac90af07abbf1 |
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font_01_sfnt_off00009110.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9110 | 10088 bytes |
SHA-256: 6be0d734a1a91a75c76477cad1366f451b8f4e05d9aca3640f0ab09378015e60 |
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