PDF malware analysis — malicious · 53f25e86feb4777e

MALICIOUS

PDF

49.4 KB Created: 2020-07-20 21:54:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7b82e15d1217c46de5aa0bc8003342b5 SHA-1: 57298653adb538e3a9c0b59864cf8855c4717cca SHA-256: 53f25e86feb4777e97ec65459704503d789d1b9481e1d271bc06472ec65aae07

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to external websites. One critical heuristic indicates that the PDF links to known malicious redirector infrastructure, specifically 'ttraff.com'. The document body, though heavily obfuscated, appears to be related to search engine optimization or link farming, suggesting an attempt to drive traffic to malicious sites.

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF 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.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small 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.
Embedded URL info EMBEDDED_URL

One 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=8th+grade+social+studies+staar+review+pdf
- http://files.westfieldbouncehouserentals.com/uploads/1/3/1/3/131384789/4605166.pdf
- http://files.suderve.com/uploads/1/3/1/4/131438241/6399523.pdf
- http://files.danandcloverhomebb.com/uploads/1/3/0/7/130775853/zizetegirumofagolaja.pdf
- http://files.stmarymagdalenewpg.org/uploads/1/3/1/8/131856531/badifa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89089693040.pdf
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/tabisigino.pdf
- https://cdn.shopify.com/s/files/1/0430/7124/2389/files/61579365906.pdf
- https://vawofomije194917598.files.wordpress.com/2020/06/sojibowadejozuwujogudox.pdf
- https://notetel.files.wordpress.com/2020/07/dabobumaketi.pdf
- https://gozuwej.files.wordpress.com/2020/07/94291229481.pdf
- https://gadovawu.files.wordpress.com/2020/06/bujanidosigewivuredotuv.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13578549785.pdf
- https://cdn.shopify.com/s/files/1/0431/0119/2352/files/93114587625.pdf
- https://cdn.shopify.com/s/files/1/0433/9105/8078/files/87767460829.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38692385895.pdf
- https://cdn.shopify.com/s/files/1/0432/7096/3350/files/5384012586.pdf
- https://cdn.shopify.com/s/files/1/0432/0657/4238/files/25815750181.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexidemunuviviradepinitim.pdf
- https://cdn.shopify.com/s/files/1/0438/7287/8747/files/roladezasamipopan.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- https://vawofomije194917598.files.wordpress.com/2020/0

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00008038.bin` `d15398e903300d2c95923db575f51ad2d45f89a5523d079987b0afc974bb5dff`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8038	5444 bytes
`font_01_sfnt_off000092e6.bin` `000b279c0e169297a60cad067b718fee6f416a3cc0e3f75bb3bcc7374f250a6f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x92E6	10376 bytes

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