MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic firing indicating a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=bluestacks+developer+options+apk', suggesting a lure related to 'bluestacks developer options apk'. The presence of a large number of external PDF links, many hosted on Shopify, further supports a link farm or SEO poisoning tactic to distribute the malicious redirector.
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.cc/pify?keyword=bluestacks+developer+options+apk In PDF document text
- http://nanenitox.freemaninsure.com/uploads/1/3/0/7/130776449/2962541.pdfIn PDF document text
- http://ronaw.ummahcharms.com/uploads/1/3/2/8/132814930/mosaposudopu_woluna.pdfIn PDF document text
- http://files.comforttrainer.net/uploads/1/3/2/6/132681002/4312007.pdfIn PDF document text
- http://files.ohiothunderbasketball.com/uploads/1/3/0/7/130739616/juvinajoxeg.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0437/7359/1703/files/12746836614.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3484/5079/files/83788111053.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4669/9165/files/use_of_history_in_antony_and_cleopatra.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7206/0573/files/vinovanovudama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2826/6654/files/57881529068.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7525/4937/files/sidijavowosakibevef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0708/1630/files/html_to_java_api.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7605/0330/files/62458901179.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8482/3205/files/kilune.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4173/4312/files/sidujopumazakenoxotazuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6203/4589/files/flush_door_design_catalogue.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9480/1568/files/78039552362.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4580/6503/files/45_55_reddit.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 |
|---|---|---|---|
font_00_sfnt_off00007587.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7587 | 5124 bytes |
SHA-256: b6b6cd4064eb3cc5bdf8190a2b97ad6761271c27f6febe744468f28ad9c2fb0d |
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font_01_sfnt_off00008703.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8703 | 10128 bytes |
SHA-256: f47af3659a070ecde19f5aaaa6d9b57b98739f73eef4557652e7738533d1d3b5 |
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font_02_sfnt_off0000a9c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9C1 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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